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Arduboy-homemade-package
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Update README.md

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@ -32,13 +32,13 @@ This package contains all the currently available Arduboy libraries with changes
| OLED CS | 12 PORTD6 | 6 PORTD7 | GND | 1/TXO PORTD3* |
| OLED DC | 4 PORTD4 | 4 PORTD4 | 4 PORTD4 | 4 PORTD4 |
| OLED RST | 6 PORTD7 | 12 PORTD6 | 6 PORTD7 | 2 PORTD1* |
| SPI SCK | 15 PORTB1 | 15 PORTB1 | PORTB 1 | PORTB1 |
| SPI MOSI | 16 PORTB2 | 16 PORTB2 | PORTB2 | PORTB2 |
| SPI SCK | 15 PORTB1 | 15 PORTB1 | 15 PORTB 1 | 15 PORTB1 |
| SPI MOSI | 16 PORTB2 | 16 PORTB2 | 16 PORTB2 | 16 PORTB2 |
| RGB LED RED | 10 PORTB6 | _ | 10 PORTB6 | 10 PORTB6 |
| RGB LED GREEN | 11 PORTB7 | _ | - | 3 PORTD0* |
| RGB LED BLUE | 9 PORTB5 | 17 PORTB0 | 9 PORTB5 | 9 PORTB5 |
| RxLED | PORTB0 | _ | PORTB0 | PORTB0 |
| TxLED | PORTD5 | _ | PORTD5 | PORTD5 |
| RxLED | 17 PORTB0 | _ | 17 PORTB0 | 17 PORTB0 |
| TxLED | 30 PORTD5 | _ | 30 PORTD5 | 30 PORTD5 |
| BUTTON UP | A0 PORTF7 | 8 PORTB4 | A0 PORTF7 | A0 PORTF7 |
| BUTTON RIGHT | A1 PORTF6 | 5 PORTC6 | A1 PORTF6 | A1 PORTF6 |
| BUTTON LEFT | A2 PORTF5 | 9 PORTB5 | A2 PORTF5 | A2 PORTF5 |
@ -48,7 +48,7 @@ This package contains all the currently available Arduboy libraries with changes
| SPEAKER PIN 1 | 5 PORTC6 | A2 PORTF5 | 5 PORTC6 | 5 PORTC6 |
| SPEAKER PIN 2 | 13 PORTC7 | A3 PORTF4** | GND | 6 PORTD7* |
|----------------- | ---------------------- | ----------- | ---------------------------------- | --------------------------------- |
| CARD_CS | 0 PORTD2*** | - | - | 0 PORTD2*** |
| CART_CS | 0 PORTD2*** | - | - | 0 PORTD2*** |
| SPI MISO | 14 PORTB3*** | - | - | 14 PORTB3*** |
Numbers before the portnames are Arduino assigned pin numbers.
@ -69,3 +69,36 @@ configured as an output.
Future Flash cart support:
* 0 PORTD2 Future flash cart chip select
* 14 PORTB3 flash cart data in (MISO)
## (future) expansion connector
An expansion connector can be added to modified or Homemade Arduboy in the form of a 12 pin female header with 0.1"pitch. which can be used for:
* ICSP header for easy in circuit programming (updating bootloader)
* flash cart slot
* SD card adapter
* infrared communications
* multiplayer link
* sensors
### Expansion connector pinout
( (Homemade) Arduboy facing top - front view female pinheader)
| 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| TX | RX | SCL | SDA | NC | KEY | MISO| MOSI| CLK | RST | GND | Vcc |
```text
TX* - Serial Transmitter output
RX - Serial Receiver input / Flash cart chip select
SCL* - I2C/TWI serial clock I/O
SDA* - I2C/TWI serial data I/O
NC - Not connected (reserved for future use)
KEY - Key pin. should be filled to block pin insertion (reverse insert protection)
MISO - SPI/ICSP Master Input, Slave Output
MOSI - SPI/ICSP Master Output, Slave Input
CLK - SPI/ICSP clock
RST - MCU/ICSP reset
GND - Ground (0V)
Vcc - 5V (~3.0V to ~4.1V on Arduboy)
(*) Not available when using Pro Micro with Alternate Wiring
```